Elastic-fluid turbine.



F, P. JACKMAN. ELASTIC FLUID TURBINE. APPLICATION FILED JULY 31. 1914.

Patented July 6,

SH EET 2 SHEETS wvmwm W 4) F. P. JACKMAN.

ELASTIC FLUID TURBINE.

APPLICATION FILED JULY 31. 1914.

Patented July 6, 1915.

2 SHEETS-SHEET 2.

Wbtnwow ITE A FRANKLIN P. JACKMAN, OF MARSI-IFIELD, OREGON.

ELASTIC-FLUID TURBINE.

Specification of Letters Patent.

Patented July 6, 1915.

Application filed July 31, 1914. Serial No. 854,340.

To all whom it may concern:

Be it known that I, FRANKLIN P. JACK- MAN, a citizen of the United States. residing at Marshfield, in the county of Coos and State of Oregon, have invented new and useful Improvements in Elastic-Fluid Turbines, of which the following is a specification.

This invention relates to elastic fluid turbines, the object of the invention being to produce a simple motor of the class described which may be operated by the steam moving from a boiler to an engine without reducing the steam pressure materially.

While the invention as shown is in the nature of an auxiliary or subsidiary engine, it will of course be understood as the description proceeds that the engine may be constructed to be operated by the full head of steam from the boiler and also that the engine may be operated by any elastic or expanding gas or fluid such as steam, compressed air and the like.

A further object of the invention is to produce an engine of the class referred to in which the elastic fluid is evenly distributed WVith the above and other objects in view,

the invention consists in the novel construction, combination and arrangement of parts, as herein described, illustrated and claimed.

In the accompanying drawings :Figure 1 is a vertical longitudinal section taken through an elastic fluid turbine engine em bodying the present invention, showing the shaft in elevation. Fig. 2 is a side elevation of one of the stationary disks or partitions. Fig. 3 is a similar view of one of the rotary disks or propelling elements. Fig. 4 is a detail cross section taken in a circumferential plane through one of the propelling elements on the line 44 of Fig. 3.

The turbine contemplated in this invention comprises a stationary cylindrical casing 1 provided at its opposite ends with fixed heads 2 and 3, the heads being centrally apertured to receive a rotary shaft 4 which passes through stufling boxes 5 and 6 in the heads 2 and 3, respectively, to prevent leakage of the fluid.

v The shaft 4 may be mounted in one or more pillow blocks or pedestals 7 and is shown as provided at one end with a crank wheel or disk 8' carrying the wrist pin 9 to which a suitable pitman or connecting rod may be attached for delivering the power derived from the turbine.

10 designates a fly-wheel fast on the shaft 4.

Arranged centrally within the stationary casing 1 is a distributing chamber designated generally at B and comprising a pair of disk-shaped partitions 11 arranged in spaced relation to each other and connected to a common central hub 12 through which the shaft 4 passes and in which it is journaled. The partitions 11 are provided at their outer edges with oppositely extending rims or flanges l3 suitably fastened in permanent relation to the stationary casing 11. Other similar partitions 14, 15, 16 and 17 are arranged at opposite sides of the partitions 11 and in spaced relation thereto as clearly shown in Fig. 1, leaving end exhaust spaces 18 and 19 at opposite ends of the casing 1, which end spaces are in communication by means of ports 20 and 21 with an exhaust manifold 22 having a central discharge orifice 23. In the preferred embodiment of the invention the exhaust manifold 22 is located directly under the casing 1, the latter being supported at a suitable elevation by means of supporting feet 24.

25 designates the intake pipe which leads directly into the central distributing chamber B.

Each of the disk-shaped partitions hereinabove referred to is provided with a circular series of ports 26 which are fan-shaped in a radial direction and each of which comprises in cross section an oblique impact face which serves to direct the steam at an angle as it passes through said partition. Arranged on the outer side of each partition is a rotary disk or propelling element 27 which is also provided with a circular series of fan-shaped ports or passages 28 one of which is shown in cross section in Fig. a wherein it is seen to comprise reversely oblique impact faces 29 and 80, the steam or other fluid impinging primarily against the longer oblique face and subsequently against the shorter and reversely oblique face 30. The ports 26 of the inner partitions 11 are arranged exactly opposite to each other so that there will be an equal distribution and flow of the fluid in both directions thereby adding to the smooth operation of the turbine. This same arrangement is maintained throughout both series of partitions at opposite sides of the distributing chamber B. By comparing Figs. 2 and 3 it will also be noted that the number of ports 28 in each rotary disk or propelling element exceeds the number of ports 26 in the respective adjacent partition 11 and furthermore'the ports 26 are made of suflicient width to overlap and give a lead on the ports 28 of the rotary disk so that at no time can there be a dead place which would prevent the ready starting of the engine as soon as the elastic fluid is admitted to the casing 1. All of the disks 27 are fast on the common central shaft 4 and operate in close proximity to or in actual contact with the respective stationary partitions. Packing rings 31 are carried by the rotary disks 27 and work in contact with the flanges 13 to prevent leakage of the fluid at such points.

As previously indicated, the turbine hereinabove described and shown in the accompanying drawings is especially adapted for use as an auxiliary or subsidiary engine, to be driven by the steam or other fluid in its passage from the boiler or generator to an engine but the turbine described herein may also be used as an engine itself and manufactured in sizes to suit requirements. As illustrated, each stationary disk 11 has its annular flange 13 arranged to fit tightly within the casing 1, thereby forming a broad marginal bearing and fluid tight joint between said disk and the casing and also providing a hearing or working face against which works the packing ring of the respective rotary disk. This insures accuracy in assembling the turbine and results in inbers may be increased or diminished according to the will of the manufacturer and that other changes in the form, proportion and minor details of construction may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.

l/Vhat I claim is An elastic fluid turbine, comprising a stationary cylindrical casing, heads at the opposite ends thereof, a centrally arranged stationary intake and distributing chamber embodying a hub and disk'shaped partitions in spaced relation to each other and provided with circular series of oppositely located fan-shaped ports, other correspondingly shaped and ported partitions at opposite sides of said chamber and in spaced relation to each other, all of said partitions having annular marginal flanges on their outwardly disposed faces which bear against said casing, a rotary shaft passing centrallyv through all of said partitions and the hub of the distributing chamber, and rotary disks fast on said shaft in close relation to the outwardly disposed faces of said partitions and having a fluid tight joint with said flanges, each of said rotary disks being formed with fan-shaped ports each embodying reversely oblique impact faces.

In testimony whereof I afliX my signature in presence of two witnesses.

FRANKLIN P. JACKMAN.

Witnesses: I

I. S. KAUFMAN, R. T. KAUFMAN.

Gopiesof this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. C. i 

